Briani, Chiara
Di Pietropaolo, Marco
Marignani, Massimo
Carbonetti, Francesco
Begini, Paola
David, Vincenzo
Iannicelli, Elsa
Article History
First Online: 25 May 2017
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with 1964 Helsinki declaration and its later amendments or comparable ethical standards.